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Configuring a bridge across two routers - Help!

Posted on 2006-03-28
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Last Modified: 2009-02-17
I recently purchased a Netgear WPNT834 wireless router to replace an aging FWG114P that had a bad port and would occasionally drop hard-wired connections.  However, the WPN- does not support WDN which means my WGE101 bridges (x2) no longer work.  I use the WGE101s connected to 4-port switches (also Netgear) to wirelessly connect a multitude of entertainment devices (streaming audio, gaming consoles, Tivo, etc.).  Purchasing invididual wireless adapters for each device would be extremely cost prohibitive and since at most I only ever have two devices turned on simultaneously, the WGE101+switch solution is perfect for me.

Now, since the WPN- router does not support WDN, I cannot connect the WGE101s.  However, the old FWG- router works with the WGE101s perfectly.  How best can I configure the WPN- and FWG- routers to play nice together?  Here is how I am imagining the final network layout:

INTERNET
---- MODEM
---------- WPNT834 / 192.168.0.1
------------------ FWG114P / 192.168.?.?, DHCP disabled, NAT disabled(?)
-------------------------- WGE101 / 192.168.?.?
---------------------------------- UPnP & other devices
-------------------------- WGE101 / 192.168.?.?
---------------------------------- UPnP & other devices
------------------ COMPUTER #1 / D
------------------ COMPUTER #2 / D
------------------ WIFI AP w/ MAC filtering
-------------------------- NOTEBOOK #1
-------------------------- NOTEBOOK #2

Help is greatly appreciated.  Thanks in advance!
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Question by:instill
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Assisted Solution

by:cyrusuncc
cyrusuncc earned 2000 total points
ID: 16312208
although i'm not entirely sure what WDN is, it appears to be needed to get your bridges working properly.

for the FWG114P & WGE101's, i'd set the ip address statically, and have their gateway set to 192.168.0.1 so that everything runs via the WPNT834

the computers and notebooks can get their ip addresses dynamically via DHCP from the WPNT834.

INTERNET
---- MODEM
---------- WPNT834 / 192.168.0.1
------------------ FWG114P / 192.168.0.2, DHCP disabled
-------------------------- WGE101 / 192.168.0.3
---------------------------------- UPnP & other devices
-------------------------- WGE101 / 192.168.0.4
---------------------------------- UPnP & other devices
------------------ COMPUTER #1 / D
------------------ COMPUTER #2 / D
------------------ WIFI AP w/ MAC filtering
-------------------------- NOTEBOOK #1
-------------------------- NOTEBOOK #2

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Accepted Solution

by:
cyrusuncc earned 2000 total points
ID: 16312241
with this config, it shouldn't matter where the computers get connected to (the old or new router), they will all get ip addresses from the new router.

just be sure to set the DHCP range to at least 192.168.0.5 - 192.168.0.whatever so you don't overlap ip addresses.

also, the connection from the old router to the new router should be via a standard port, not the wan/ethernet port.  You can do it the other way, but its a lot more hassle.
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Author Comment

by:instill
ID: 16314665
Thank you for the help!  However, problem does not seem to be fixed just yet.  When connected over WiFi to the WPNT834 with dynamic IP enabled, all services work great (internet browsing, network browsing, etc.).  However, when connected to the WPN- with a static IP, I can only browse network devices.  When connected to the FWG- with a static IP, I can again only browse network devices.  If I set my IP to dynamic and connect to the FWG-, it takes an extended time to get an IP and when I finally have one, I can still only browse network devices.  I cannot browse outside of my network.

I have configured as follows:
WPNT834: 192.168.0.1 / DHCP enabled, NAT enabled
FWG114P: 192.168.0.2 / gateway:192.168.0.1 / DNS:192.168.0.1 / (DHCP disabled, NAT enabled)
COMPUTER: 192.168.0.5 /or dynamic

Thank you again.
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Author Comment

by:instill
ID: 16314908
Under diagnostics for the FWG114P (192.168.0.2), the following is the routing table:

Destination      Mask                     Gateway            Metric       Active
192.168.0.0     255.255.255.0        192.168.0.2       1              Yes
192.168.0.2     255.255.255.255    192.168.0.2       1               Yes

Unfortunately the WPNT834 does not have a diagnostics menu.

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Expert Comment

by:cyrusuncc
ID: 16323138
set the gateway to 192.168.0.1 (or whatever the ip address of the WPNT834)

it appears the problem is that when connected to the FWG114P, the FWG114P assumes its the internet gateway (which it isn't).  Manually setting it to the real internet gateway should resolve this problem.
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LVL 2

Expert Comment

by:cyrusuncc
ID: 16323155
this applies for all devices (clients and other routers)
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